474 Tridacee—Tris. 
7. I. Pseud-dcorus. Yellow Flag.—This is the common 
indigenous species, growing about a yard high, with long acute 
bright green leaves and large clear yellow flowers. Suitable 
for lakes and swampy places. 
I. Monniéri, from 8. Europe, is a similar plant, with larger 
and brighter yellow flowers. 
8. I. fimbriata.—Of Chinese origin, and one of the band- 
somest of the genus. Flowers large, of a bright blue variegated 
with dark brown on the outer segments, which are undulated. 
Stigmas erect, petaloid and fringed. A tender species. 
9. I. arenavia.—The dwarfest of the genus, from 2 to 4 
inches high. Flowers scarcely exceeding the leaves, of a uni- 
form yellow. A native of the sandy plains of Hungary. 
5 ats A We now come to the bulbous section, 
YOR "yy which is by no means so numerous in 
species as the foregoing. 
10. 1. Xiphiwin (fig. 230).—Commonly 
known in English gardens as the Spanish 
Iris. Stems from 9 inches to a foot high, 
and furnished with narrow acute leaves. 
Flowers of medium size, two or three 
together, with narrow nearly equal seg- 
ments. The natural colour is an azure 
blue, but there are many varieties in cul- 
tivation ranging through all shades of 
blue, associated with yellow and chestnut. 
11. L. wiphioides. English Bulbous lis 
of florists—Slightly different from the 
last, but usually 1-flowered, and the flower 
larger. The three exterior segments are 
of a bright yellow, with an orange spot in 
the centre of the limb, the three interior 
blue or violet. There are also many 
beautiful garden varieties of this species. 
Fig. 230. Iris Xiphium. This and the last are both natives of 
eee South-western Europe. 
12. J. spectéabilis.—Similar in habit, but taller than the two 
last. The outer perianth-segments brownish, with a large 
orange blotch in the middle of the limb; the three interior of 
a deep violet. 
13. L. Pérsica.—A charming plant from Western Asia, for- 
merly widely spread in gardens, but now become rather rare. 
